OscilloscopeRF sets the sample rate using a Timer. Simply change the
value of the Timer, and then the Timer fires, it samples the ADC.
-Joe
On 9/12/05, van Best, Chris <chris.van.best at medtronic.com> wrote:
>> Hi,
>> I have the same problem. Different with me is I'm using a BSN node running
> with the OscilloscopeRF program.
> This application refers back to the MSP430 directory (as far as I know). I
> changed the apllication slightly so it now samples the ADC3-channel instead
> of the internal temperature sensor.
>> Now I want to change the sample-rate to 200 Hz. But I have no idea where I
> can find the sample rate in the source-code.
> Does anyone know where I can find this?
>> Thanks,
>> Chris
>> ________________________________
> From: tinyos-help-bounces at Millennium.Berkeley.EDU> [mailto:tinyos-help-bounces at Millennium.Berkeley.EDU] On
> Behalf Of mturon at xbow.com> Sent: Tuesday, September 13, 2005 7:37 AM
> To: jazdz007 at umn.edu; tinyos-help at Millennium.Berkeley.EDU> Subject: RE: [Tinyos-help] Changing Sampling Rate For MDA300
>>>>>> Hi Jeremiah,
>>>> The XMesh apps all have a "appFeatures.h" file that has a constant defined
> for the default update rate.
>>>> #define XSENSOR_SAMPLE_RATE 20000
>>>> This gets passed into the call to start the application timer:
>> call Timer.start(TIMER_REPEAT, XSENSOR_SAMPLE_RATE);
>>>> You can change it directly – it is in milliseconds. The above example is a
> 20 second interval.
>>>> Note: MOTE-VIEW 1.2 (to be released soon) will allow you to change the
> update rate dynamically from the GUI.
>>>>> Martin
>> __________________________________________________
> Martin Turon | Crossbow Technology, Inc.
>> ________________________________
>>> From: tinyos-help-bounces at Millennium.Berkeley.EDU> [mailto:tinyos-help-bounces at Millennium.Berkeley.EDU] On
> Behalf Of Jeremiah D. Jazdzewski
> Sent: Monday, September 12, 2005 9:53 AM
> To: tinyos-help at Millennium.Berkeley.EDU> Subject: [Tinyos-help] Changing Sampling Rate For MDA300
>>>> Hi all,
>> I am using a MDA300 with a MICA2 and I am running the Xmesh program on it.
>> I am not a programmer, but I need to know how to edit the xmesh program to
> change the sampling rate at which the MICA2 takes data from the MDA300.
>> If a programmer could tell me what source codes need to be edited and what
> numbers need to be changed in the code, I would very much appreciate it.
>> Thanks
>> -Jeremiah Jazdzewski
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